Lenovo C205 All-In-One - Manual (Page 47)

Chapter 8. Replacing hardware
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8. Align the 3 screw holes on the new system fan with the 3 mounting
holes on the chassis. Screw in the 3 screws and attach the power cable
to the connector on the motherboard.
9. Reattach the motherboard cover and stand bracket for the computer
stand.
10. Reattach the computer cover and stand.
Replacing the heatsink
To replace the heatsink
1. Remove the computer stand. Refer to “Removing the computer stand”.
2. Remove the computer cover. Refer to “Removing the computer cover”.
3. Remove the motherboard cover. Refer to “Removing the motherboard
cover”.
4. Remove the rear deco. Refer to “Removing the rear deco”.
5. Remove the 8 screws that secure the heatsink to the motherboard.
6. Lift up the heatsink to remove it.
7. Align the 8 screw holes on the new heatsink with the mounting holes
on the motherboard. Screw the new heatsink in.
8. Screw the motherboard cover back.
9. Install back the rear deco.
10. Reattach the computer cover and stand.